.box{
    height: 800px;
    width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    margin-top: 100px;
}
.top{
    width: 100%;
    box-sizing: border-box;
    padding: 5px 10px;
}
.top input {
    width: 100%;
    height: 40px;
    border: 1px solid #eee;
    border-radius: 40px;
}
.banner{
    margin:5px auto;
    width: 95%;
    height: 200px;
}
.banner .img{
    height: 100%;
    background-color: aqua;
    font-size: 30px;
    line-height: 200px;
    text-align: center;
}
.box h2{
    font-size: 20px;
    margin-top: 10px;
    padding-left: 20px;
}
.nav{
    height: 50px;
    margin-top: 10px;
    display: flex;
    justify-content: space-around;
}
.navlist{
    width: 100px;
    font-size: 14px;
    line-height: 50px;
    box-sizing: border-box;
    text-align: center;
    background-color: burlywood;
    border-radius: 5px;
}
.list{
    padding: 0 20px;
    height: 350px;
    overflow: auto;
}
.lists{
    height: 80px;
    display: flex;
}
h4{
    line-height: 80px;
    width: 100px;
    text-align: center;
    margin-left: 100px;
}
.lists .img{
    height: 60px;
    width: 60px;
    background-color: blueviolet;
    margin-top: 10px;
}
.text{
    margin-left: 100px;
}
.lists h3{
    line-height: 40px;
}
.bottom{
    height: 90px;
    display: flex;
    justify-content: space-around;
}
p{
    line-height: 90px;
}
.change1{
    color: red;
}
.change2{
    color: blueviolet;
}
